Hair styling tool



FIG. 1 is a left perspective view of a hair styling tool embodying my new design;

FIG. 2 is a front view thereof the side opposite being identical to the side shown;

FIG. 3 is a left side view thereof the side opposite being identical to the side shown;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a hair styling tool, a shown and described. 